.proto {
    background-color: rgba(223, 222, 222, 0.7);
    overflow: hidden;
    padding: 80px 110px;
    box-sizing: border-box;
  }
  .proto h2 {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 50px;
  }
.tableContent{
    position: relative;
    top: 30px;
    left: 20px; 
    text-align: center;
    height: 1000px;
}
table{
    border-collapse:collapse;
}
#tr1{
    background-color: rgba(183, 181, 181, 0.952);
    height: 70px;
}
#td1{
    width: 150px;
}
#td2{
    width: 800px;
}
#tr2{
    height: 120px;
}
#tr3{
    height: 170px;
}
#tr4{
    height: 100px;
}
#tr5{
    height: 130px;
}
#tr6{
    height: 150px;
}
#tr7{
    height: 170px;
}